Finding the Fourth Proportional to 66,440,105.80, 99,660,158.70 and 60,062,813.80
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Solution
The fourth proportional to 66,440,105.80, 99,660,158.70 and 60,062,813.80 is: 90,094,220.70
Step by Step Solution
- Step 1: Write the proportion equation
66,440,105.80 : 99,660,158.70 = 60,062,813.80 : x - Step 2: Convert to fraction form
66,440,105.80/99,660,158.70 = 60,062,813.80/x - Step 3: Cross multiply
66,440,105.80x = 99,660,158.70 × 60,062,813.80 - Step 4: Simplify right side
66,440,105.80x = 5,985,869,555,276,550 - Step 5: Solve for x
x = 5,985,869,555,276,550/66,440,105.80 - Step 6: Final answer
x = 90,094,220.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.